Flora of North America species comparison

bluish green (heavily glaucous), blades lanceolate to elliptic (not lobed), leathery, bases attenuate, margins entire or remotely serrulate, apices acute, faces glabrous;

basal petiolate, 20–50 × 4–10 cm;

cauline petiolate or sessile, 10–25 × 2–8 cm.

green, oblong to elliptic or ovate to pandurate, herbaceous, margins crenate, dentate, entire or serrate, apices acute, faces scabrous, abaxial often glabrescent;

basal petiolate, 20–65 × 8–20 cm, bases attenuate;

cauline sessile, 15–40 × 4–15 cm, bases auriculate to truncate.

conic to columnar;

paleae 4–6.5 mm, apices acute, often attenuate, abaxial tips hairy.

conic to ovoid;

paleae 4–6 mm, apices obtuse to acute, abaxial tips hairy.

7–15;

laminae elliptic to oblong, 25–40 × 8–14 mm, abaxially hairy.

8–14;

laminae oblanceolate, 18–30 × 4–8 mm, abaxially sparsely hairy.

250–400+;

corollas yellowish green, 3–4 mm;

style branches ca. 1 mm, apices acute.

150–200;

corollas brown-purple, 3.5–4.2 mm;

anther appendages glabrous or gland-dotted;

style branches to ca. 1.8 mm, apices acute to obtuse.

to 1.5 cm.

to 1 cm.

borne singly or (2–10) in ± corymbiform arrays.

(usually 10+) in paniculiform arrays.

4–5.5 mm;

pappi coroniform or of ± connate scales, to 1.2 mm.

3.5–5 mm;

pappi of 4–6, unequal scales, to 2 mm.

15–35 × 14–22 mm.

12–16 × 10–18 mm.

= 36.

= 36.